Pentax 21870 Camera Lens User Manual


 
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Lens
DA 18-55mm f/3.5-5.6 AL WR
DA
50-135mm f/2.8ED [IF] SDM
DA L 50-200mm f/4-5.6ED
Focal length
18-55mm (equivalent to
approx. 27.5-84.5mm in
35mm format)
50-135mm (equivalent to
approx. 76.5-207mm in
35mm format)
50-200mm (equivalent to
approx. 76.5-307mm in
35mm format)
Elements in groups
11-8 18-14 11-10
Angle of view 76°–29° 31.5°–11.9° 31.5°-8.1°
Aperture f/3.5–f/5.6 f/2.8 f/4-5.6
Minimum aperture
f/22–f/38 f/22 f/22-32
Mount type KAF-mount KAF2-mount KAF-mount
Minimum focus
distance
0.25m (0.82ft) 1.0m (3.3ft) 1.1m (3.6ft)
Maximum
magnification
Approx. 0.34× Approx. 0.17× Approx. 0.24×
Filter size 52mm 67mm 52mm
Lens hood PH-RBC 52mm PH-RBK 67mm
PH-RBB 52mm
(sold separately)
Max. diameter
× length
68.5mm × 67.5mm
(2.7in × 2.7in)
76.5mm × 136mm
(3.0in × 5.4in)
66.5mm × 78.5mm
(2.6in × 3.1in)
Weight
Approx. 235g/8.3oz
(with hood
approx.
260g/
9.2oz)
Approx. 685g/24.2oz
(with hood approx. 765g/
27.0oz)
Approx. 235g/8.3oz
(with hood approx. 265g/
9.3oz)
Soft case S80-120 S90-160 S80-120
e_da21_20.fm Page 52 Thursday, April 23, 2009 5:34 PM